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dezoksy [38]
3 years ago
14

You isolate cells from a tumor and study them. You observe that the cells continue dividing, even when DNA is damaged, when the

cells become crowded, or even when nutrients run low. These observations lead you to suspect that the cells _____.
Biology
1 answer:
melomori [17]3 years ago
3 0

Answer:

contain a mutated tumor-suppressor gene.

Explanation:

  • A tumor suppressor gene performs the function of regulating the proper division of the cells as well as regulating replication.

The tumor suppressor genes perform the following functions :

  1. Maintain the stability of the genome.
  2. Regulate cell growth.
  3. Regulates cell proliferation rate.
  • Whenever the tumor suppressor genes get mutated it would either result in a loss of its function or a reduction in its function which can lead to the abnormal growth of cells.
  • Hence, if the DNA is damaged, the cells become crowded and the nutrients run low then this indicates that the tumor suppressor genes are mutated.
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Answer:

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Explanation:

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2 years ago
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amid [387]

Answer:

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Explanation:

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Would it be technically correct to say that some plants go to sleep at night? explain.
IRISSAK [1]

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Plants don’t have a central nervous system, which is an essential regulator of sleep in humans. But they do tune themselves to a 24-hour circadian rhythm, just like you. And they do shut down certain processes, like photosynthesis, when the sun goes down, shifting their focus instead to delivering glucose (sugar) throughout the plant. Some plants, including the aptly named morning glory, also close their blooms when the sun goes down.

Sunlight is a key trigger for humans to know what time to sleep and when to be awake. And the same is true of plants. While light and dark tell your body when to produce the hormone melatonin, which cues your body to feel sleepy, light and dark triggers tell plants when to produce the hormone auxin, which controls growth and development.

Plants may not be able to get up and hunt for food (or grocery shop, or call for takeout, for that matter!), but they do move in small ways to maximize their exposure to energy-giving sunlight. During the day, they soak up the sun in order to make energy through photosynthesis, a plant’s version of eating. Then, at night, they turn their attention to metabolizing the energy that they’ve taken in and using it to grow. So maybe you should be saying “goodnight” to your garden when you turn out the lights!    hope this helps 


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3 years ago
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